1000012065 has 32 divisors (see below), whose sum is σ = 1739861760. Its totient is φ = 487524096.

The previous prime is 1000012037. The next prime is 1000012121. The reversal of 1000012065 is 5602100001.

It is not a de Polignac number, because 1000012065 - 2¹⁴ = 999995681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4810 + ... + 44979.

It is an arithmetic number, because the mean of its divisors is an integer number (54370680).

Almost surely, 2^1000012065 is an apocalyptic number.

1000012065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000012065 is a deficient number, since it is larger than the sum of its proper divisors (739849695).

1000012065 is a wasteful number, since it uses less digits than its factorization.

1000012065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49913.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1000012065 is about 31622.9673655083. The cubic root of 1000012065 is about 1000.0040216505.

Adding to 1000012065 its reverse (5602100001), we get a palindrome (6602112066).

The spelling of 1000012065 in words is "one billion, twelve thousand, sixty-five".